| Issue |
Europhys. Lett.
Volume 54, Number 3, May 2001
|
|
|---|---|---|
| Page(s) | 306 - 312 | |
| Section | Atomic and molecular physics | |
| DOI | https://doi.org/10.1209/epl/i2001-00242-8 | |
| Published online | 01 December 2003 | |
Efficient loading and cooling in a dynamic optical evanescent-wave microtrap
Institut für Theoretische Physik, Universität Innsbruck
Technikerstr. 25, A-6020 Innsbruck, Austria
Corresponding author: Helmut.Ritsch@uibk.ac.at
Received:
28
November
2000
Accepted:
20
February
2001
We calculate the loading efficiency and cooling rates in a bichromatic optical microtrap, where the optical potentials are generated by evanescent waves of cavity fields at a dielectric-vacuum interface. The cavity modified nonconservative dynamic light forces lead to efficient loading of the atoms as well as cooling without the need for spontaneous emission. Steady-state temperatures well below the trap depth, reaching the motional quantum regime, yield very long capturing times for a neutral atom.
PACS: 32.80.Pj – Optical cooling of atoms; trapping / 42.50.Vk – Mechanical effects of light on atoms, molecules, electrons, and ions / 42.55.Sa – Microcavity and microdisk lasers
© EDP Sciences, 2001
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